Display screen or portion thereof with graphical user interface



FIG. 1 is a front view of a display screen or portion thereof with graphical user interface, showing a first embodiment of our new design; and,

FIG. 2 is a second embodiment thereof.

The dot-dash lines depict a display screen or portion thereof, and form no part of the claimed design. All other broken lines showing portions of the graphical user interface depict portions of the article and form no part of the claimed design. 

CLAIM The ornamental design for a display screen or portion thereof with graphical user interface, as shown and described. 